5 Occurrences 290 Occurrences 2320 Occurrences 5800 Occurrences 
Deep River - Levee 1 Location
City, County, and State of the levee system. Determined by the levee alignment location not the leveed area.
Deep River, Wahkiakum County, Washington
System ID
Unique identifier code for the levee system using 10 or 12 numbers in length.
5005902901
Floodplain Management
Entities responsible for regulating activities that occur in areas prone to flooding.
FEMA Region 10
Oversight Organization
Entity responsible for oversight of the levee and ensuring it is maintained.
USACE - Portland District
Last Assesment Date Last Risk Assessment or Formal Inspection.
4/29/2021
Data Last Updated Date any of this information for the system has been updated.
6/20/2025
Levee Length
Combine length of all the levee system features including the embankments, floodwalls, closures where they exist for this system.
0.961 Miles Average Levee Height
The average height of the levee system. The levee profile viewer on the mapping window will show the actual levee height values for the length of the levee if available.
No Data Year Levee Constructed Year levee system was fully completed as a flood reduction project.
1942 Summary
General text description of the levee system with a summary of why the levee is there, and the benefits it provides.
In Progress
Performance & Condition
General text description of the historical and anticipated performance of the levee, the people and property benefitting from the levee and who may be at risk of flooding, and actions to address areas of concern.
In Progress
Flooding Hazard
Historic Loading by Percentage of Height
Representative loading associated with historical flood information as a percentage of the levee height or overtopping.
Representative loading associated with historical flood information as a percentage of the levee height or overtopping.
5 Occurrences 290 Occurrences 2320 Occurrences 5800 Occurrences